from libc.stdint cimport int8_t, int16_t, int32_t, int64_t, intptr_tfrom libc.stdint cimport uint8_t, uint16_t, uint32_t, uint64_t, uintptr_tcdef extern from *:  ctypedef bint bool  ctypedef struct va_listcdef extern from *:  ctypedef struct Dummy:    int32_t x;    float y;  void root(Dummy d);